Plant Care Water Arum

Water Arum

Also known as

Bog arum, Bog arum, Water arum, Calla, Marsh calla, Wild calla, Squaw claw and Water-arum


Calla palustris

How to care for Water Arum


How often to water your Water Arum

Water needs for Water Arum
0.5 cups
every 9

Water Arum needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Calculate water needs of Water Arum

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Bog arum in your home

Light needs and placement for plant Water Arum: 3ft from a window
3ft or less from
a window

Water Arum may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.

Place it less than 3 feet from a south-facing window to maximize the potential for growth.

Select your region to see how the current weather in your area affects the placement of Water Arum in your home 🏡.


How to fertilize Water Arum

Nutrient, fertilizer, and repotting needs for Water Arum: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Water Arum after it doubles in size or once a year—whichever comes first.

Care Summary for Water Arum

Water Arum

Water Arum

Greg recommends:


0.5 cups every 9 days


< 3ft from a window


Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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